Tread portion of an automobile tire



FIG. 1 is a perspective view of tread portion of an automobile tireaccording to my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a fragmentary enlarged front view showing the details of thetread portion thereof;

FIG. 6 is a section view taken along line 6-6 in FIG. 5; and,

FIG. 7 is a section view taken along line 7-7 in FIG. 5.

In the drawings, the stippled surface shading represents the grooveportions of the tread, having the depths illustrated in FIGS. 6 and 7.

Broken lines in the drawing figures are used to show portions of thetire that are not being claimed, and thus form no part of the claimeddesign.

CLAIM The ornamental design for a tread portion of an automobile tire, as shown and described. 